package com.tanhua.server.service;

import com.alibaba.fastjson.JSON;
import com.tanhua.model.vo.ErrorResult;
import com.tanhua.server.exception.BusinessException;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.Map;

@Service
public class UserFreezeService {

    @Autowired
    private RedisTemplate<String, String> redisTemplate;

    public void checkUserStatus(String state, Long userId) {
        // 1. 拼接key, 查询redis数据
        // String key = Constants.USER_FREEZE + userId;
        String key = "USER_FREEZE_" + userId;
        String value = redisTemplate.opsForValue().get(key);
        // 2. 如果数据存在,且冻结范围一致,抛出异常
        if(!StringUtils.isEmpty(value)) {
            Map map = JSON.parseObject(value, Map.class);
            String freezingRange = (String) map.get("freezingRange");
            if(state.equals(freezingRange)) {
                throw new BusinessException(ErrorResult.builder().errMessage("您的账号被冻结！").build());
            }
        }
    }
}
